Home / 56,883.32-78,501.12-31,737.68

Finding the Fourth Proportional to 56,883.32, 78,501.12 and 31,737.68

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Solution

The fourth proportional to 56,883.32, 78,501.12 and 31,737.68 is: 43,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,883.32 : 78,501.12 = 31,737.68 : x
  2. Step 2: Convert to fraction form
    56,883.32/78,501.12 = 31,737.68/x
  3. Step 3: Cross multiply
    56,883.32x = 78,501.12 × 31,737.68
  4. Step 4: Simplify right side
    56,883.32x = 2,491,443,426.20
  5. Step 5: Solve for x
    x = 2,491,443,426.20/56,883.32
  6. Step 6: Final answer
    x = 43,799.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.